SmsGatewayA simple Client-Server sms gateway over bluetooth. Unfortunately, most mobile phones don't support such "always trust" permission to access phone messaging that only certain mobile phones are perfect to be server side

SMSProxyUsem this app and your free UK to UK text bundle to send unlimited international text messages to mobile numbers in 150 countries for just 3pounds a month. You must have free UK to UK texts to use this software

IQ Hidden SMSSend SMS messages without keeping copies in the sent messages folder

Handcent SMS FreeHandcent SMS Free is a powerful free sms/mms tools for your android phone The most popular messaging app on the Android Market, Handcent SMS is a powerful, customizable, and free SMS/MMS app that fully unleashes the messaging potential of Android devices